Subphylum [Vertebrata] Cuvier, 1812 - vertebrates Class Chondrichthyes Huxley, 1880 - cartilaginous fishes ?Family †Kannathalepididae Märss & Gagnier, 2001 Genus †Frigorilepis Märss, Wilson & Thorsteinsson, 2002 [monotypic] †Frigorilepis caldwelliᵀ Märss, Wilson & Thorsteinsson, 2002